Microscopic particles were detected in the leaves, twigs and bark of gum trees at gold prospecting sites in the ... trees growing above a gold deposit to yield enough of the precious metal for a ...

so miners are adopting new lab techniques and machine-led mapping to detect metal traces in everything from sand to gum tree leaves and groundwater. Australian miners are taking a deeper look at ...

Eucalyptus trees -- or gum trees as they are known -- are drawing up gold particles from the earth via their root system and depositing it their leaves and branches. Eucalyptus trees in the ...

Now, the days when massive mineral deposits could be simply spotted by plane are gone, so miners are adopting new lab techniques and machine-led mapping to detect metal traces in everything from sand ...